EP3981750A4 - OPTICAL GLASS, OPTICAL ELEMENT, OPTICAL SYSTEM, INTERCHANGEABLE LENS AND OPTICAL DEVICE - Google Patents

OPTICAL GLASS, OPTICAL ELEMENT, OPTICAL SYSTEM, INTERCHANGEABLE LENS AND OPTICAL DEVICE Download PDF

Info

Publication number
EP3981750A4
EP3981750A4 EP20818472.1A EP20818472A EP3981750A4 EP 3981750 A4 EP3981750 A4 EP 3981750A4 EP 20818472 A EP20818472 A EP 20818472A EP 3981750 A4 EP3981750 A4 EP 3981750A4
Authority
EP
European Patent Office
Prior art keywords
optical
interchangeable lens
glass
optical system
optical element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20818472.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3981750A1 (en
Inventor
Kohei Yoshimoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nikon Corp
Original Assignee
Nikon Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nikon Corp filed Critical Nikon Corp
Publication of EP3981750A1 publication Critical patent/EP3981750A1/en
Publication of EP3981750A4 publication Critical patent/EP3981750A4/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/16—Microscopes adapted for ultraviolet illumination ; Fluorescence microscopes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Glass Compositions (AREA)
EP20818472.1A 2019-06-06 2020-06-04 OPTICAL GLASS, OPTICAL ELEMENT, OPTICAL SYSTEM, INTERCHANGEABLE LENS AND OPTICAL DEVICE Pending EP3981750A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019106096 2019-06-06
PCT/JP2020/022114 WO2020246544A1 (ja) 2019-06-06 2020-06-04 光学ガラス、光学素子、光学系、交換レンズ及び光学装置

Publications (2)

Publication Number Publication Date
EP3981750A1 EP3981750A1 (en) 2022-04-13
EP3981750A4 true EP3981750A4 (en) 2023-08-09

Family

ID=73653268

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20818472.1A Pending EP3981750A4 (en) 2019-06-06 2020-06-04 OPTICAL GLASS, OPTICAL ELEMENT, OPTICAL SYSTEM, INTERCHANGEABLE LENS AND OPTICAL DEVICE

Country Status (5)

Country Link
US (1) US20220162112A1 (ja)
EP (1) EP3981750A4 (ja)
JP (1) JP7491310B2 (ja)
CN (1) CN113924277A (ja)
WO (1) WO2020246544A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117425627A (zh) * 2021-06-07 2024-01-19 日本光硝子株式会社 光学玻璃、光学元件、光学系统、接合透镜、照相机用更换镜头、显微镜用物镜和光学装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6022656B2 (ja) * 1980-08-21 1985-06-03 ホ−ヤ株式会社 光学ガラス
JPH0551234A (ja) * 1991-08-22 1993-03-02 Hoya Corp アルミナ基板被覆用ガラス及びグレーズド基板
JPH0781973A (ja) 1993-09-14 1995-03-28 Yamamura Glass Co Ltd ハロゲン化物ガラス
JP2005350330A (ja) 2004-06-14 2005-12-22 Ohara Inc 光学ガラス
JP5305436B2 (ja) 2008-11-05 2013-10-02 パナソニック株式会社 光学ガラス組成物、プリフォーム及び光学素子
JP5865579B2 (ja) * 2010-04-30 2016-02-17 株式会社オハラ 光学ガラス、プリフォーム材及び光学素子
CN103998386B (zh) * 2011-12-02 2016-08-17 日本光硝子株式会社 光学玻璃、光学元件、及光学仪器
KR102332260B1 (ko) 2013-12-18 2021-11-26 호야 가부시키가이샤 광학 유리 및 광학 소자
JP6173224B2 (ja) * 2014-01-07 2017-08-02 日本電気硝子株式会社 光学ガラス
CN104944770B (zh) 2015-06-17 2017-12-08 成都光明光电股份有限公司 特殊色散光学玻璃
CN106495465A (zh) 2016-10-27 2017-03-15 成都光明光电股份有限公司 光学玻璃
CN114835393B (zh) * 2017-09-21 2024-05-28 株式会社尼康 光学玻璃、由光学玻璃构成的光学元件、光学系统、更换镜头以及光学装置
JP2019106096A (ja) 2017-12-14 2019-06-27 キヤノンマーケティングジャパン株式会社 情報処理システム、その制御方法、及びプログラム、並びに電子機器

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
CN113924277A (zh) 2022-01-11
JP7491310B2 (ja) 2024-05-28
WO2020246544A1 (ja) 2020-12-10
JPWO2020246544A1 (ja) 2020-12-10
EP3981750A1 (en) 2022-04-13
US20220162112A1 (en) 2022-05-26

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